DIFFERENTIAL-SPIHT FOR IMAGE SEQUENCE CODING

被引：1

作者：

Hu, Yang ^{[1
]}

Pearlman, William A. ^{[1
]}

机构：

[1] Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA

来源：

2010 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2010年

关键词：

Compression; SPIHT; significance map; video; volumetric medical image; HIERARCHICAL TREES; EFFICIENT; CODER;

D O I：

10.1109/ICASSP.2010.5495263

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Efficient image sequence coding exploits both spatial correlation and temporal correlation. SPIHT is a powerful algorithm in exploiting spatial correlations for still image coding. Based on SPIHT, we present a novel approach to exploit temporal correlations for image sequence coding, while maintaining single frame, random access decoding. The so-called Differential-SPIHT takes advantage of inter-frame correlations by reusing the significance testing data of a SPIHT coded frame. From simulation results of videos and volumetric medical images, Differential-SPIHT offers significant reductions in bitrate from conventional two-dimensional (2D) SPIHT for the same reconstruction PSNR, while retaining the desirables features of rate scalability and computational simplicity.

引用

页码：894 / 897

页数：4

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